Among active 13F managers last quarter, 8 opened and 16 added, while 13 reduced; the largest holder to move was Greenlight Capital Inc (+5.5%). Over the last 180 days, 2 insiders sold and none bought, a net -$9.7M in open-market trades.
The legs disagree, or only one of them leans.
108 tracked 13F filers disclose a position in NPWR as of the latest SEC 13F filings, a combined $83.2M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Share Andrew L. | 9.8M | $16.3M | —Held | Q2 2026 | |
| 2 | Greenlight Capital Inc | 3.0M | $30.2M | ▲+5.5% Added · +155K sh | Q4 2023 | |
| 3 | BlackRock, Inc. | 2.4M | $4.0M | ▲+13% Added · +273K sh | Q2 2026 | |
| 4 | Peak6 LLC | 2.0M | $3.3M | ▼−0.1% Reduced · −2K sh | Q2 2026 | |
| 5 | Vanguard Capital Management LLC | 1.8M | $3.0M | ▲+9.6% Added · +159K sh | Q2 2026 | |
| 6 | Tidal Investments LLC | 1.5M | $2.6M | ▲+190% Added · +1.0M sh | Q2 2026 | |
| 7 | Adage Capital Partners GP, L.L.C. | 1.5M | $2.4M | —Held | Q1 2026 | |
| 8 | Sourcerock Group LLC | 1.5M | $2.3M | ▲+0.5% Added · +8K sh | Q1 2026 | |
| 9 | Two Sigma Investments, LP | 1.1M | $1.7M | ▲+48% Added · +352K sh | Q1 2026 | |
| 10 | Geode Capital Management, LLC | 1.0M | $1.7M | ▲+17% Added · +146K sh | Q2 2026 | |
| 11 | Argentarii, LLC | 747K | $1.2M | ▼−0.2% Reduced · −2K sh | Q2 2026 | |
| 12 | Nuveen, LLC | 714K | $1.1M | ▲+1.6% Added · +11K sh | Q1 2026 | |
| 13 | Renaissance Technologies LLC | 704K | $1.1M | ▲+644% Added · +609K sh | Q1 2026 | |
| 14 | Millennium Management LLC | 683K | $1.1M | ▼−70% Reduced · −1.6M sh | Q1 2026 | |
| 15 | State Street Corp | 624K | $1.0M | ▲+1.7% Added · +11K sh | Q2 2026 | |
| 16 | Defiance ETFs, LLC | 533K | $832K | ▲New +533K sh | Q1 2026 | |
| 17 | Tudor Investment Corp Et Al | 398K | $664K | ▼−7.8% Reduced · −34K sh | Q2 2026 | |
| 18 | UBS Group AG | 370K | $577K | ▲+473% Added · +305K sh | Q1 2026 | |
| 19 | Vanguard Portfolio Management LLC | 325K | $542K | ▲+23% Added · +60K sh | Q2 2026 | |
| 20 | Northern Trust Corp | 292K | $456K | ▲+15% Added · +38K sh | Q1 2026 | |
| 21 | Vanguard Fiduciary Trust Co | 282K | $472K | ▲+13% Added · +33K sh | Q2 2026 | |
| 22 | Charles Schwab Investment Management Inc | 270K | $420K | ▲+0.5% Added · +1K sh | Q1 2026 | |
| 23 | Boothbay Fund Management, LLC | 263K | $440K | ▼−11% Reduced · −33K sh | Q2 2026 | |
| 24 | Goldman Sachs Group Inc | 261K | $406K | ▼−14% Reduced · −43K sh | Q1 2026 | |
| 25 | Federated Hermes, Inc. | 242K | $377K | ▲+206% Added · +163K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 8 funds opened a new position in NPWR and 16 added to an existing one, while 13 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Microsoft CorpMSFT | 53 funds | $88.1B |
| Nvidia CorpNVDA | 51 funds | $153.0B |
| Eli Lilly & CoLLY | 51 funds | $33.2B |
| Advanced Micro DevicesAMD | 51 funds | $28.3B |
| Visa Inc-Class A SharesV | 51 funds | $25.8B |
| Uber Technologies IncUBER | 51 funds | $2.9B |
| JPMorgan Chase & CoJPM | 50 funds | $22.1B |
| Lam Research CorpLRCX | 50 funds | $17.6B |
| General ElectricGE | 50 funds | $15.1B |
| Intel CorpINTC | 50 funds | $12.8B |
| Chevron CorpCVX | 50 funds | $10.1B |
| Oracle CorpORCL | 50 funds | $7.9B |
Ranked by how many of NPWR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in NPWR.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 9, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 150K | $276K |
| Sep 9, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 150K | $276K |
| Sep 8, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 100K | $194K |
| Sep 8, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 100K | $194K |
| Aug 26, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 41K | $79K |
| Aug 26, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 41K | $79K |
| Aug 25, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 202K | $384K |
| Aug 25, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 202K | $384K |
| Aug 14, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 507K | $991K |
| Aug 14, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 507K | $991K |
| Aug 13, 2026 | Npeh, Llc | 10% Owner | Sell (S) | 200K | $324K |
| Aug 13, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sell (S) | 200K | $324K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 39 | 27 | – |
Insiders Form 4 open-market | 0 | 2 | -$9.7M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| NPWRthis pagecs | 108 funds | $83.2M |
| NPWR/WSW EXP 06/08/202 | 21 funds | $3.0M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for NPWR
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/NPWR/capital-change-brief"
Use Arkolith's capital_change_brief for NPWR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for NPWR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.